3.2.1.103 analysis useful for studying the structure of glycoproteins and oligosaccharides 3.2.1.103 analysis the enzyme can be used to distinguish between GlcNAcbeta1-6Gal and GlcNAcbeta1-3Gal units within linear backbone sequences of all known types of oligo-(N-acetyllactosamino)glycans 3.2.1.103 analysis enzyme can be useful in studying the precise structures of keratan sulfates, related glycoproteins and oligosaccharides 3.2.1.103 medicine the enzyme reduces viscosity of alpaca semen by 48%